initial checkin of yaulw (locally)

@integrate/AlternateDataStreamWrapper.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using PhoneHome.Lib.Assembly;
+
+// Downloaded from
+// http://www.codeproject.com/Articles/2670/Accessing-alternative-data-streams-of-files-on-an
+using Trinet.Core.IO.Ntfs;
+using System.IO;
+
+namespace PhoneHome
+{
+    /// <summary>
+    /// Wrapper class arround Alternate Data Streams
+    /// * IMP * Registrate 'Later' Medisoft Demo Registration Work-arround
+    /// Medisoft has a 30 day trial where they don't enter a serial number. However, this can 
+    /// be bypassed, since registration is terrible at what it does. So we must make sure that 
+    /// the 30 days haven't passed, and we deal with it here with PhoneHome via AlternateStreams
+    /// </summary>
+    internal static class AlternateDataStreamWrapper
+    {
+        /// <summary>
+        /// Read the Timestamp found in the Alternative Stream
+        /// </summary>
+        /// <returns>Dt found or DT.Min (if none found)</returns>
+        internal static DateTime ReadDateTimeStamp()
+        {
+            try
+            {
+                string s_curDir = Path.GetDirectoryName(AssemblyW.SpecializedAssemblyInfo.GetAssemblyFileNameNPath(AssemblyW.AssemblyST.Executing));
+                SafeNativeMethods.Win32StreamInfo s_streamInfo = new SafeNativeMethods.Win32StreamInfo() { StreamAttributes = FileStreamAttributes.None, StreamName = "phdt", StreamSize = 20, StreamType = FileStreamType.Data };
+
+                AlternateDataStreamInfo adataStream = new AlternateDataStreamInfo(s_curDir, s_streamInfo);
+                using (FileStream fs = adataStream.OpenRead())
+                using (StreamReader sr = new StreamReader(fs))
+                {
+                    string strLine = sr.ReadLine();
+                    DateTime dtFound = DateTime.Parse(strLine);
+                    return dtFound;
+                }
+            }
+            catch (Exception e) { string Message = e.Message; }
+            return DateTime.MinValue;
+        }
+
+        /// <summary>
+        /// Write the passed in Timestamp to the Alternative Stream
+        /// </summary>
+        /// <param name="dtStamp">Timestamp to write</param>
+        internal static void WriteDateTimeStamp(DateTime dtStamp)
+        {
+            try
+            {
+                string s_curDir = Path.GetDirectoryName(AssemblyW.SpecializedAssemblyInfo.GetAssemblyFileNameNPath(AssemblyW.AssemblyST.Executing));
+                SafeNativeMethods.Win32StreamInfo s_streamInfo = new SafeNativeMethods.Win32StreamInfo() { StreamAttributes = FileStreamAttributes.None, StreamName = "phdt", StreamSize = 20, StreamType = FileStreamType.Data };
+
+                AlternateDataStreamInfo adataStream = new AlternateDataStreamInfo(s_curDir, s_streamInfo);
+                using (FileStream fs = adataStream.OpenWrite())
+                using (StreamWriter sw = new StreamWriter(fs))
+                {
+                    sw.WriteLine(dtStamp.ToShortDateString());
+                }
+            }
+            catch (Exception e) { string Message = e.Message; }
+        }
+
+    }
+
+}